80387976 has 32 divisors (see below), whose sum is σ = 206403840. Its totient is φ = 26071488.

The previous prime is 80387969. The next prime is 80387987. The reversal of 80387976 is 67978308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44376 + ... + 46151.

It is an arithmetic number, because the mean of its divisors is an integer number (6450120).

Almost surely, 2^80387976 is an apocalyptic number.

It is an amenable number.

80387976 is an abundant number, since it is smaller than the sum of its proper divisors (126015864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80387976 is a wasteful number, since it uses less digits than its factorization.

80387976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90573 (or 90569 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 80387976 is about 8965.9341956095. The cubic root of 80387976 is about 431.5823724600.

The spelling of 80387976 in words is "eighty million, three hundred eighty-seven thousand, nine hundred seventy-six".